28826685

素因数分解:

$3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{653}}^1$

素因数の和:779

約数の個数: 40

約数和(自身を含む): 52228440

約数和(自身を除く): 23401755

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 109, 135, 327, 405, 545, 653, 981, 1635, 1959, 2943, 3265, 4905, 5877, 8829, 9795, 14715, 17631, 29385, 44145, 52893, 71177, 88155, 213531, 264465, 355885, 640593, 1067655, 1921779, 3202965, 5765337, 9608895, 28826685]

約数ペア:

[(1, 28826685), (3, 9608895), (5, 5765337), (9, 3202965), (15, 1921779), (27, 1067655), (45, 640593), (81, 355885), (109, 264465), (135, 213531), (327, 88155), (405, 71177), (545, 52893), (653, 44145), (981, 29385), (1635, 17631), (1959, 14715), (2943, 9795), (3265, 8829), (4905, 5877)]